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Question

What is the difference between a declaration and a definition of a variable?

a.

Both can occur multiple times, but a declaration must occur first

b.

A definition occurs once, but a declaration may occur many times

c.

Both can occur multiple times, but a definition must occur first

d.

A declaration occurs once, but a definition may occur many times

Answer: (d).A declaration occurs once, but a definition may occur many times

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Q. What is the difference between a declaration and a definition of a variable?